summaryrefslogtreecommitdiff
path: root/m4/strnlen.m4
blob: 2d0550aaf17ed83d8f5cbd4cac448c8b6987e685 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
# strnlen.m4 serial 5
dnl Copyright (C) 2002-2003, 2005 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_FUNC_STRNLEN],
[
  MU_LIBSOURCES([strnlen.c, strnlen.h])

  dnl Persuade glibc <string.h> to declare strnlen().
  AC_REQUIRE([AC_GNU_SOURCE])

  AC_FUNC_STRNLEN
  if test $ac_cv_func_strnlen_working = no; then
    # This is necessary because automake-1.6.1 doens't understand
    # that the above use of AC_FUNC_STRNLEN means we may have to use
    # lib/strnlen.c.
    #MU_LIBOBJ(strnlen)
    AC_DEFINE(strnlen, rpl_strnlen,
      [Define to rpl_strnlen if the replacement function should be used.])
    gl_PREREQ_STRNLEN
  fi
])

# Prerequisites of lib/strnlen.c.
AC_DEFUN([gl_PREREQ_STRNLEN], [
  AC_CHECK_DECLS_ONCE(strnlen)
])

Return to:

Send suggestions and report system problems to the System administrator.